Multiple people injured during bomb squad training exercise in Pennsylvania, authorities say

Multiple people were injured during a bomb squad training exercise in Skippack Township, Pennsylvania, on Thursday morning, state police said. 

The FBI Philadelphia said a training device unexpectedly detonated while the agency was "holding explosives response training at SCI Phoenix for law enforcement partners." Bomb technicians from the Montgomery County Sheriff's Office, Pennsylvania State Police and the FBI Philadelphia were injured. 

The victims were transported to local hospitals. There's no word on how many people were injured.